The Secret Commonwealth of Elves, Fauns and Fairies, by Robert Kirk and Andrew Lang (London, 1893), in 166 bookmarked and searchable pdf pages. Kirk was an inquisitive 17th-century Scottish minister, who investigated and described accounts of beings "of a middle nature" between humans and angels. This short work was first published by Sir Walter Scott and again in the late 19th century by Andrew Lang, who wrote a lengthy introduction. Book digitized by Google and compiled by Robert Bedrosian.